Home / 2,815,650.82-4,221,871.82-1,108,869.85

Finding the Fourth Proportional to 2,815,650.82, 4,221,871.82 and 1,108,869.85

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Solution

The fourth proportional to 2,815,650.82, 4,221,871.82 and 1,108,869.85 is: 1,662,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,650.82 : 4,221,871.82 = 1,108,869.85 : x
  2. Step 2: Convert to fraction form
    2,815,650.82/4,221,871.82 = 1,108,869.85/x
  3. Step 3: Cross multiply
    2,815,650.82x = 4,221,871.82 × 1,108,869.85
  4. Step 4: Simplify right side
    2,815,650.82x = 4,681,506,345,108.92
  5. Step 5: Solve for x
    x = 4,681,506,345,108.92/2,815,650.82
  6. Step 6: Final answer
    x = 1,662,672.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.